D2161 Amalgam 4 or > surfaces perm
Also known as: amalgam four plus surface, four surface filling, multi-surface amalgam
Placement of a permanent amalgam dental restoration on four or more surfaces of a permanent tooth, including cavity preparation and finishing.
In Plain Language
silver filling for multiple cavities; large metal filling
Clinical Context
Used for extensive caries involvement affecting four or more tooth surfaces; provides comprehensive restoration.
RVU Information
CPT D2161 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
Dental codes (CDT codes) require documentation of the tooth number(s) or area treated, clinical findings, and the procedure performed. Pre-authorization may be required for major restorative, prosthodontic, and oral surgery procedures. Include radiographs when supporting medical necessity.
Specialties
Frequently Asked Questions
What is CPT code D2161?
CPT D2161 (Amalgam 4 or > surfaces perm) is a D Codes (Dental) code. Placement of a permanent amalgam dental restoration on four or more surfaces of a permanent tooth, including cavity preparation and finishing.
Is D2161 covered by dental insurance?
CPT D2161 is a dental procedure code used by General Dentistry, Restorative Dentistry. Used for extensive caries involvement affecting four or more tooth surfaces; provides comprehensive restoration. Coverage depends on your dental insurance plan.
When is CPT D2161 used?
Used for extensive caries involvement affecting four or more tooth surfaces; provides comprehensive restoration.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.